CN115355147A - Iodine working medium electric propulsion storage and supply system for space - Google Patents
Iodine working medium electric propulsion storage and supply system for space Download PDFInfo
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- CN115355147A CN115355147A CN202211039987.9A CN202211039987A CN115355147A CN 115355147 A CN115355147 A CN 115355147A CN 202211039987 A CN202211039987 A CN 202211039987A CN 115355147 A CN115355147 A CN 115355147A
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- iodine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H1/00—Using plasma to produce a reactive propulsive thrust
- F03H1/0006—Details applicable to different types of plasma thrusters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H1/00—Using plasma to produce a reactive propulsive thrust
- F03H1/0006—Details applicable to different types of plasma thrusters
- F03H1/0031—Thermal management, heating or cooling parts of the thruster
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- Chemical & Material Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Plasma Technology (AREA)
Abstract
The application relates to space radio frequency ion electric propulsion technical field, particularly relates to a iodine working medium electric propulsion storage and supply system for space, which comprises an iodine storage tank assembly, a Bang-Bang control assembly, a thermal throttling assembly and a control module, wherein: the iodine storage tank assembly is communicated with the Bang-Bang control assembly through a single gas pipeline, the Bang-Bang control assembly is communicated with the thermal throttling assembly through two gas pipelines, and the thermal throttling assembly outputs iodine steam to the main thruster and the cathode respectively through the two gas pipelines; the control module is respectively and electrically connected with the storage tank assembly, the Bang-Bang control assembly and the thermal throttling assembly. The iodine working medium radio frequency ion iodine propulsion system propellant is compact in structure and light in weight, light-weight storage of the iodine working medium radio frequency ion iodine propulsion system propellant is achieved, and distribution and high-precision control of flow of the stored propellant are carried out.
Description
Technical Field
The application relates to the technical field of space radio frequency ionic electric propulsion, in particular to a space iodine working medium electric propulsion storage and supply system.
Background
In recent years, the satellite industry has been revolutionized worldwide, the demand of people for satellites is increased year by year under the promotion of task demands, the types of satellites are more and more abundant, and the satellites need to be provided with high specific impulse engines to reduce the weight of the satellites and save the launching cost. The electric propulsion is about ten times higher than the chemical propulsion, along with the gradual maturity of the electric propulsion technology, the electric propulsion technology is applied more and more on satellites, xenon is a main propellant working medium for electric propulsion, the problem of xenon shortage is more serious due to the increase of the electric propulsion application, the xenon is limited in the annual output in the world, and is applied to various industries such as deep anesthetics, medical ultraviolet rays, lasers, welding, refractory metal cutting, standard gas, special mixed gas and the like, and the price of xenon is increased sharply year by year, so that the finding of a substitute propellant working medium which is rich and low in cost on the earth has important significance.
Compared with the traditional xenon propellant working medium, the solid iodine realizes high-density storage, has low price and is easy to sublimate. Iodine vapor exists in a molecular form, but dissociation energy is very low, ionization energy is approximate to that of xenon, relative atomic mass is also approximate, and international research finds that discharge characteristics of the two are approximate, so iodine is an excellent alternative working medium of the traditional xenon.
Disclosure of Invention
The application provides a supply system is stored with iodine working medium electric propulsion in space, light in weight, compact structure have solved iodine working medium radio frequency ion iodine propeller propellant working medium lightweight and have stored and high accuracy micro-flow control problem.
In order to achieve the above object, the present application provides an iodine working medium electric propulsion storage and supply system for space, comprising an iodine storage tank assembly, a Bang-Bang control assembly, a thermal throttling assembly and a control module, wherein: the iodine storage tank assembly is communicated with the Bang-Bang control assembly through a single gas pipeline, the Bang-Bang control assembly is communicated with the thermal throttling assembly through two gas pipelines, and the thermal throttling assembly outputs iodine steam to the main thruster and the cathode respectively through the two gas pipelines; the control module is respectively and electrically connected with the storage tank assembly, the Bang-Bang control assembly and the thermal throttling assembly.
Further, the iodine storage tank assembly includes an iodine storage tank and a first temperature controller.
Further, the iodine storage tank comprises a tank body, a filter, an upper end cover, a lower end cover, a spring and a piston, wherein: the upper end cover and the lower end cover are respectively fixed at the upper end and the lower end of the tank body through bolts; the upper end cover is provided with a gas pipeline which is communicated with the inside of the tank body; the inside of the tank body is provided with solid iodine, one side of the solid iodine is provided with a spring and a piston, and the other side of the solid iodine is provided with a filter.
Further, a first temperature controller is electrically connected with the control module, and comprises a first heating sheet, a first heating resistor and a heating cover, wherein: the first heating resistor and the first heating sheet are arranged between the heating cover and the upper end cover.
Further, bang-Bang control assembly includes first solenoid valve, gas capacity, second solenoid valve and the buffer tank that connects gradually through gas line, wherein: the first electromagnetic valve is communicated with the tank body through a gas pipeline; the first electromagnetic valve and the second electromagnetic valve are respectively and electrically connected with the control module; the buffer tank is provided with a gas path inlet and two gas path outlets and is also connected with a pressure sensor; the pressure sensor is electrically connected with the control module.
Further, the thermal throttle assembly comprises a main thrust thermal throttle, a cathode thermal throttle and a second temperature controller, wherein: the second temperature controller is electrically connected with the control module and comprises a second heating sheet, a second heating resistor and a heating box; the main thrust heat throttle pipe and the cathode heat throttle pipe are arranged between the inlet and the outlet of the gas pipeline in the heating box; the second heating sheets are respectively adhered to the upper surface and the lower surface of the heating box; the second heating resistor is fixed on the outer side of the heating box.
Further, the first temperature controller controls the temperature of the solid iodine in the iodine storage tank to be 75-85 ℃.
Further, the Bang-Bang control component controls the pressure of the output iodine vapor to be 760-840Pa.
Further, the second temperature controller controls the temperature of the main thrust thermal throttle pipe and the cathode thermal throttle pipe to be 89.5-90.5 ℃.
Furthermore, the error of the inner diameters of the main thrust thermal throttle pipe and the cathode thermal throttle pipe is less than 30um.
The iodine working medium electric propulsion storage and supply system for the space provided by the invention has the following beneficial effects:
the iodine working medium radio frequency ion iodine propulsion system propellant is compact in structure and light in weight, light-weight storage of the iodine working medium radio frequency ion iodine propulsion system propellant is achieved, and distribution and high-precision control of flow of the stored propellant are carried out.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic diagram of a spatial iodine working medium electric propulsion storage and supply system provided according to an embodiment of the application;
FIG. 2 is a schematic diagram of a space iodine working medium electric propulsion storage and supply system according to an embodiment of the application;
FIG. 3 is a schematic diagram of an iodine storage tank assembly of a spatial iodine working medium electric propulsion storage and supply system provided by an embodiment of the application;
FIG. 4 is a schematic diagram of a Bang-Bang control assembly of a space iodine working medium electric propulsion storage and supply system according to an embodiment of the application;
FIG. 5 is a schematic diagram of a thermal throttle assembly of a space iodine working medium electric propulsion storage and supply system provided according to an embodiment of the application;
in the figure: 1-iodine storage tank assembly, 11-tank body, 12-filter, 13-upper end cover, 14-lower end cover, 15-spring, 16-piston, 17-solid iodine, 18-first heating sheet, 19-first heating resistor, 20-heating cover, 2-Bang control assembly, 21-first electromagnetic valve, 22-air volume, 23-second electromagnetic valve, 24-buffer tank, 25-pressure sensor, 3-thermal throttling assembly, 31-main thrust thermal throttling pipe, 32-cathode thermal throttling pipe, 33-second heating sheet, 34-second heating resistor, 35-heating box and 4-control module.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-2, the present application provides a spatial iodine working medium electric propulsion storage and supply system, comprising an iodine storage tank assembly 1, a Bang-Bang control assembly 2, a thermal throttling assembly 3 and a control module 4, wherein: the iodine storage tank assembly 1 is communicated with the Bang-Bang control assembly 2 through a single gas pipeline, the Bang-Bang control assembly 2 is communicated with the thermal throttling assembly 3 through two gas pipelines, and the thermal throttling assembly 3 outputs iodine steam to the main thruster and the cathode respectively through the two gas pipelines; the control module 4 is respectively electrically connected with the storage tank assembly, the Bang-Bang control assembly 2 and the thermal throttling assembly 3.
Specifically, the iodine working medium electric propulsion storage and supply system for the space provided by the embodiment of the application is mainly used for storing solid iodine 17 and conveying iodine steam to the electric propulsion system. The iodine storage tank assembly 1, the Bang-Bang control assembly 2, the thermal throttling assembly 3 and gas pipelines between the thermal throttling assemblies are connected in sequence through vacuum electron beam welding. The iodine storage tank assembly 1 is used for generating iodine steam with certain pressure and temperature, and the Bang-Bang control assembly 2 is used for accurately controlling the iodine steam pressure output by the iodine storage tank assembly 1; the thermal throttling component 3 is used for accurately throttling the iodine vapor output by the Bang-Bang control component 2 and then outputting iodine vapor with certain mass flow to the main thruster and the cathode respectively; the control module 4 is used for controlling the heating temperature of the first temperature controller, monitoring the pressure signal output by the pressure sensor 25, controlling the switching frequency of the first electromagnetic valve 21 and the second electromagnetic valve 23, and controlling the heating temperature of the second temperature controller.
Further, the iodine storage tank assembly 1 includes an iodine storage tank and a first temperature controller. The iodine storage tank is mainly used for storing and placing solid iodine 17, and the first temperature controller is mainly used for heating the solid iodine 17 in the iodine storage tank.
Further, as shown in fig. 3, the iodine storage tank includes a tank body 11, a filter 12, an upper end cap 13, a lower end cap 14, a spring 15, and a piston 16, wherein: the upper end cover 13 and the lower end cover 14 are respectively fixed at the upper end and the lower end of the tank body 11 through bolts; the upper end cover 13 is provided with a gas pipeline which is communicated with the inside of the tank body 11; the inside of the tank 11 is provided with solid iodine 17, one side of the solid iodine 17 is provided with a spring 15 and a piston 16, and the other side is provided with a filter 12. An upper end cover 13 and a lower end cover 14 of the iodine storage tank are fixedly assembled on the tank body 11 through bolts, a spring 15 and a piston 16 are arranged in the inner part of one side close to the lower end cover 14 and used for upwards extruding and conveying solid iodine 17, so that iodine steam formed after heating enters the Bang-Bang control assembly 2 through a gas pipeline, and a filter 12 is integrated on the tank body 11 in the inner part of one side close to the upper end cover 13 and used for purifying and filtering the iodine steam.
Further, the first temperature controller is electrically connected to the control module 4, and includes a first heating sheet 18, a first heating resistor 19, and a heating cover 20, wherein: the first heating resistor 19 and the first heater chip 18 are disposed between the heating cap 20 and the upper end cap 13. The first heating resistor 19 is integrated on the upper end cover 13, the first heating sheet 18 is integrated on the heating cover 20, and the heating cover 20 is fastened and fixed at the upper end cover 13 to heat the solid iodine 17 in the iodine storage tank.
Further, as shown in fig. 4, the Bang-Bang control assembly 2 comprises a first electromagnetic valve 21, a gas container 22, a second electromagnetic valve 23 and a buffer tank 24 which are connected in sequence through a gas pipeline, wherein: the first electromagnetic valve 21 is communicated with the tank body 11 through a gas pipeline; the first electromagnetic valve 21 and the second electromagnetic valve 23 are respectively electrically connected with the control module 4; the buffer tank 24 is provided with a gas path inlet and two gas path outlets, and is also connected with a pressure sensor 25; the pressure sensor 25 is electrically connected to the control module 4. The gas container 22 is provided with a gas path inlet and a gas path outlet, when the first electromagnetic valve 21 is opened and the second electromagnetic valve 23 is closed, the gas container 22 is communicated with the iodine storage tank assembly 1, and iodine steam with higher pressure is stored in the gas container 22; the buffer tank 24 is provided with a gas path inlet and two gas path outlets, the pressure sensor 25 is fixed on the buffer tank 24 in a threaded manner, and when the first electromagnetic valve 21 is closed and the second electromagnetic valve 23 is opened, iodine steam with higher pressure in the gas container 22 flows into the buffer tank and is converted into iodine steam with lower pressure and smaller fluctuation; the control module 4 controls the switching frequency of the first electromagnetic valve 21 and the second electromagnetic valve 23 according to the pressure signal output by the pressure sensor 25, so as to realize accurate control of the pressure of the output iodine vapor.
Further, as shown in fig. 5, the thermal throttle assembly 3 includes a main thrust thermal throttle 31, a cathode thermal throttle 32, and a second temperature controller, wherein: the second temperature controller is electrically connected with the control module 4 and comprises a second heating sheet 33, a second heating resistor 34 and a heating box 35; the second temperature controller is mainly used for controlling the temperature of the main thrust thermal throttle 31 and the cathode thermal throttle 32 to realize the compensation of the mass flow of the iodine steam; the main thrust heat throttle 31 and the cathode heat throttle 32 are arranged between the inlet and the outlet of the gas pipeline in the heating box 35; the second heating plates 33 are respectively adhered to the upper and lower surfaces of the heating box 35; the second heating resistor 34 is fixed to the outside of the heating box 35. The main thrust thermal throttle 31 and the cathode thermal throttle 32 are installed between the gas inlet and the gas outlet in the heating box 35 and sealed by sealant, the second heating plate 33 is attached to the upper surface and the lower surface of the heating box 35, and the second thermal resistor is fixed in the small hole on the right side of the heating box 35 by the sealant.
Further, the first temperature controller controls the temperature of the solid iodine 17 in the iodine storage tank to be 75-85 ℃.
Further, the Bang-Bang control component 2 controls the pressure of the output iodine vapor to be 760-840Pa.
Further, the second temperature controller controls the temperature of the main thrust thermal throttle 31 and the cathode thermal throttle 32 to 89.5-90.5 ℃.
Further, the error of the inner diameters of the main thrust thermal throttle 31 and the cathode thermal throttle 32 is less than 30um.
Further, the mass flow rate of the iodine vapor in the main thrust heat throttle 31 is preferably 60 μ g/s, and the mass flow rate of the iodine vapor in the cathode heat throttle 32 is preferably 20 μ g/s.
Specifically, in order to realize the mass flow of the output iodine vapor in the mu g/s level, the error is less than +/-10%. The first temperature controller controls the temperature of the solid iodine 17 in the iodine storage tank to be (80 +/-5) DEG C, the Bang-Bang control component 2 controls the pressure of the output iodine vapor to be (800 +/-40) Pa, the second temperature controller controls the temperature of the thermal throttle to be (90 +/-0.5) DEG C, and the error of the inner diameter of the thermal throttle is smaller than 30 mu m. In addition, on the premise of meeting the requirement of long-life work in a space environment, in order to reduce the weight of the system, the tank body 11, the filter 12, the lower end cover 14, the piston 16 and the heating cover 20 are made of polytetrafluoroethylene materials, the upper end cover 13, the solenoid valve main body, the gas container 22, the buffer tank 24, the pipeline and the heating box 35 are made of 316L stainless steel materials, and the main thrust heat throttling pipe 31 and the cathode heat throttling pipe 32 are made of C276 hastelloy materials.
In the working process of the embodiment of the application, the control module 4 is used for controlling the heating temperature of the first temperature controller, so that the iodine storage tank assembly 1 generates iodine vapor with certain pressure and temperature; the control module 4 controls the switching frequency of the first electromagnetic valve 21 and the second electromagnetic valve 23 according to the pressure signal output by the pressure sensor 25, so that the Bang-Bang control assembly 2 can accurately control the iodine vapor pressure output by the iodine storage tank assembly 1; the control module 4 controls the heating temperature of the second temperature controller, so that the iodine vapor output by the Bang-Bang control component 2 is accurately throttled by the thermal throttling component 3 and then the iodine vapor with a certain mass flow is output.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a space is with iodine working medium electric propulsion storage system that supplies which characterized in that, includes iodine storage tank subassembly, bang-Bang control assembly, heat throttling assembly and control module, wherein:
the iodine storage tank assembly is communicated with the Bang-Bang control assembly through a single gas pipeline, the Bang-Bang control assembly is communicated with the thermal throttling assembly through two gas pipelines, and the thermal throttling assembly outputs iodine steam to the main thruster and the cathode through the two gas pipelines respectively;
the control module is electrically connected with the storage tank assembly, the Bang-Bang control assembly and the thermal throttling assembly respectively.
2. The space-use iodine working medium electric propulsion storage and supply system as claimed in claim 1, wherein said iodine storage tank assembly includes an iodine storage tank and a first temperature controller.
3. The system for spatially electric propulsion storage and supply of iodine working medium as claimed in claim 2, wherein said iodine storage tank comprises a tank, a filter, an upper end cap, a lower end cap, a spring and a piston, wherein:
the upper end cover and the lower end cover are respectively fixed at the upper end and the lower end of the tank body through bolts;
the upper end cover is provided with a gas pipeline which is communicated with the inside of the tank body;
the inside of jar body is provided with solid-state iodine, solid-state iodine one side be provided with the spring with the piston, the opposite side is provided with the filter.
4. The space iodine working medium electric propulsion, storage and supply system as claimed in claim 3, wherein said first temperature controller is electrically connected with said control module and comprises a first heating plate, a first heating resistor and a heating cover, wherein:
the first heating resistor and the first heating sheet are arranged between the heating cover and the upper end cover.
5. The electric propulsion storage and supply system for iodine working medium for space as claimed in claim 3, wherein said Bang-Bang control module includes a first electromagnetic valve, a gas container, a second electromagnetic valve and a buffer tank connected in sequence by gas pipeline, wherein:
the first electromagnetic valve is communicated with the tank body through a gas pipeline;
the first electromagnetic valve and the second electromagnetic valve are respectively and electrically connected with the control module;
the buffer tank is provided with a gas path inlet and two gas path outlets and is also connected with a pressure sensor;
the pressure sensor is electrically connected with the control module.
6. The space-use iodine working medium electric propulsion storage and supply system according to claim 5, wherein said thermal throttle assembly comprises a main thrust thermal throttle pipe, a cathode thermal throttle pipe and a second temperature controller, wherein:
the second temperature controller is electrically connected with the control module and comprises a second heating sheet, a second heating resistor and a heating box;
the main thrust heat throttle pipe and the cathode heat throttle pipe are arranged between the inlet and the outlet of the gas pipeline in the heating box;
the second heating sheets are respectively adhered to the upper surface and the lower surface of the heating box;
the second heating resistor is fixed on the outer side of the heating box.
7. The space iodine working medium electric propulsion storage and supply system as claimed in claim 4, wherein said first temperature controller controls the temperature of the solid iodine in said iodine storage tank to be 75-85 ℃.
8. The system as claimed in claim 5, wherein the Bang-Bang control module controls the pressure of the output iodine vapor to be 760-840Pa.
9. The electric propulsion storage and supply system for iodine working medium for space of claim 6, wherein said second temperature controller controls the temperature of said main thrust thermal throttle and said cathode thermal throttle to 89.5-90.5 ℃.
10. The system of claim 6, wherein the error of the inner diameters of the main thrust thermal throttle pipe and the cathode thermal throttle pipe is less than 30um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039987.9A CN115355147B (en) | 2022-08-29 | 2022-08-29 | Iodine working medium electric propulsion storage and supply system for space |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039987.9A CN115355147B (en) | 2022-08-29 | 2022-08-29 | Iodine working medium electric propulsion storage and supply system for space |
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| CN115355147A true CN115355147A (en) | 2022-11-18 |
| CN115355147B CN115355147B (en) | 2023-09-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6286304B1 (en) * | 1998-09-23 | 2001-09-11 | Mainstream Engineering Corporation | Noble gas storage and delivery system for ion propulsion |
| WO2017176843A1 (en) * | 2016-04-07 | 2017-10-12 | Busek Co., Inc. | Iodine propellant rf ion thruster with rf cathode |
| DE102017212927A1 (en) * | 2017-07-27 | 2019-01-31 | Airbus Defence and Space GmbH | Fuel supply system, electric engine and method of operating an electric engine |
| CN110374830A (en) * | 2019-07-15 | 2019-10-25 | 上海交通大学 | Storage tank is heated in heat radiation suitable for iodine working medium electric propulsion device |
| CN111140450A (en) * | 2019-12-24 | 2020-05-12 | 兰州空间技术物理研究所 | Iodine medium ground air supply device for Hall thruster and use method |
-
2022
- 2022-08-29 CN CN202211039987.9A patent/CN115355147B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6286304B1 (en) * | 1998-09-23 | 2001-09-11 | Mainstream Engineering Corporation | Noble gas storage and delivery system for ion propulsion |
| WO2017176843A1 (en) * | 2016-04-07 | 2017-10-12 | Busek Co., Inc. | Iodine propellant rf ion thruster with rf cathode |
| DE102017212927A1 (en) * | 2017-07-27 | 2019-01-31 | Airbus Defence and Space GmbH | Fuel supply system, electric engine and method of operating an electric engine |
| CN110374830A (en) * | 2019-07-15 | 2019-10-25 | 上海交通大学 | Storage tank is heated in heat radiation suitable for iodine working medium electric propulsion device |
| CN111140450A (en) * | 2019-12-24 | 2020-05-12 | 兰州空间技术物理研究所 | Iodine medium ground air supply device for Hall thruster and use method |
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| CN115355147B (en) | 2023-09-22 |
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